<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>提交</title>
	</head>
	<body>
		<form action="/demo2" method="post">
			<input type="text" id="name" name="username" value="" />
			<input type="submit" value="提交"/>
		</form>
	</body>
</html>
